Sintered film
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United States of America Patent
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-
Nov 1, 1994
Grant Date -
N/A
app pub date -
Apr 28, 1993
filing date -
Jun 3, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sintered film containing a copolymer and optionally other common additives is described. The film contains about 30 to 70 parts by weight of a propylene copolymer with a melt index MFI 230/2.16 of at least approximately 3 g./10 min. and about 70 to 30 parts by weight of an ethylene-ethyl acrylate copolymer with a melt index MFI 230/2.16 of at least approximately 3 g./10 min. and with a Vicat softening point of at least about 40. The ethylene-ethyl acrylate copolymer contains approximately 7 to 35 wt % of ethyl acrylate. This film exhibits advantageous properties, particularly a good Shore A hardness.
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